🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.4

Radius: 11.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.43 AU - 0.67 AU

Year: 272 Days

Day: 6.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,880,472 km

• M1: 141,819 km (0.12 R)
• M2: 573,708 km (0.083 R)
• M3: 1,033,422 km (0.081 R)
• M4: 1,708,408 km (0.067 R)
• M5: 2,153,611 km (0.097 R)
• M6: 2,868,539 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296

Radius: 8.2

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.49 AU - 2.21 AU

Year: 1678 Days

Day: 7.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,880,472 km

• M1: 117,285 km (0.072 R)
• M2: 607,367 km (0.101 R)
• M3: 1,250,489 km (0.118 R)
• M4: 1,737,280 km (0.082 R)
• M5: 2,200,136 km (0.094 R)
• M6: 2,484,970 km (0.053 R)
• M7: 3,566,712 km (0.083 R)
• M8: 4,161,813 km (0.119 R)
• M9: 4,972,783 km (0.092 R)
• M10: 5,971,349 km (0.087 R)
• M11: 6,552,686 km (0.049 R)
• M12: 6,881,053 km (0.083 R)
• M13: 7,647,294 km (0.108 R)
• M14: 9,116,195 km (0.062 R)
• M15: 9,555,714 km (0.039 R)
• M16: 10,319,411 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.3

Radius: 13.5

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.6 AU - 2.58 AU

Year: 2015 Days

Day: 5.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,880,472 km

• M1: 168,148 km (0.108 R)
• M2: 640,578 km (0.094 R)
• M3: 1,588,879 km (0.11 R)
• M4: 2,337,916 km (0.05 R)
• M5: 3,621,316 km (0.095 R)
• M6: 4,667,753 km (0.12 R)
• M7: 5,174,291 km (0.09 R)
• M8: 5,780,013 km (0.102 R)
• M9: 6,276,229 km (0.114 R)
• M10: 6,990,110 km (0.101 R)
• M11: 7,990,621 km (0.081 R)
• M12: 10,275,878 km (0.071 R)
• M13: 10,877,261 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.1

Radius: 13.4

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.19 AU - 4.33 AU

Year: 4862 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,880,472 km

• M1: 171,439 km (0.109 R)
• M2: 686,953 km (0.104 R)
• M3: 2,417,801 km (0.111 R)
• M4: 3,812,651 km (0.062 R)
• M5: 4,797,604 km (0.116 R)
• M6: 6,526,806 km (0.117 R)
• M7: 8,391,393 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 10.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.14 AU - 4.48 AU

Year: 4959 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,880,472 km

• M1: 129,552 km (0.07 R)
• M2: 535,860 km (0.111 R)
• M3: 961,914 km (0.071 R)
• M4: 2,144,485 km (0.06 R)
• M5: 3,775,252 km (0.059 R)
• M6: 4,613,000 km (0.117 R)
• M7: 4,954,681 km (0.069 R)
• M8: 6,133,662 km (0.088 R)
• M9: 8,239,402 km (0.066 R)
• M10: 9,608,970 km (0.055 R)
• M11: 10,204,370 km (0.1 R)
• M12: 10,639,401 km (0.101 R)
• M13: 12,019,142 km (0.062 R)
• M14: 13,342,484 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.3

Radius: 14.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 4.47 AU - 6.51 AU

Year: 8578 Days

Day: 6.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,880,472 km

• M1: 179,517 km (0.037 R)
• M2: 782,696 km (0.112 R)
• M3: 1,449,903 km (0.114 R)
• M4: 1,923,978 km (0.099 R)
• M5: 2,595,224 km (0.055 R)
• M6: 3,177,010 km (0.116 R)
• M7: 4,332,803 km (0.036 R)
• M8: 4,949,446 km (0.107 R)
• M9: 5,851,371 km (0.05 R)
• M10: 7,120,709 km (0.064 R)
• M11: 7,621,862 km (0.071 R)
• M12: 9,541,951 km (0.077 R)
• M13: 11,091,485 km (0.095 R)
• M14: 12,195,966 km (0.027 R)
• M15: 13,028,778 km (0.102 R)
• M16: 16,212,968 km (0.042 R)
• M17: 17,015,561 km (0.053 R)
• M18: 18,056,014 km (0.086 R)
• M19: 18,555,821 km (0.105 R)
• M20: 21,751,830 km (0.111 R)
• M21: 26,287,487 km (0.104 R)
• M22: 26,837,708 km (0.076 R)
• M23: 28,824,518 km (0.078 R)
• M24: 29,903,567 km (0.093 R)
• M25: 30,806,241 km (0.118 R)
• M26: 34,819,353 km (0.107 R)
• M27: 38,224,201 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.9

Radius: 4

Gravity: 22.93 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.23 AU - 7.23 AU

Year: 10370 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,880,472 km

• M1: 49,816 km (0.107 R)
• M2: 176,226 km (0.067 R)
• M3: 336,146 km (0.106 R)
• M4: 462,407 km (0.08 R)
• M5: 600,336 km (0.112 R)
• M6: 833,709 km (0.117 R)
• M7: 1,179,878 km (0.067 R)
• M8: 1,367,175 km (0.12 R)
• M9: 1,862,045 km (0.08 R)
• M10: 2,116,810 km (0.109 R)
• M11: 2,305,154 km (0.109 R)
• M12: 3,260,934 km (0.099 R)
• M13: 4,318,442 km (0.119 R)
• M14: 5,747,700 km (0.082 R)
• M15: 6,533,089 km (0.113 R)
• M16: 7,464,934 km (0.091 R)
• M17: 9,820,801 km (0.072 R)
• M18: 11,657,713 km (0.066 R)
• M19: 11,869,095 km (0.115 R)
• M20: 12,796,153 km (0.087 R)
• M21: 14,365,884 km (0.091 R)
• M22: 19,687,828 km (0.097 R)
• M23: 21,930,898 km (0.112 R)
• M24: 31,268,199 km (0.12 R)
• M25: 31,881,550 km (0.095 R)
• M26: 36,402,248 km (0.037 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 19,082 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit